*{
  margin:0;
  padding: 0;
}
body{
  font:14px "微软雅黑","Arial Narrow",HELVETICA;
  height: 100%;
    width: 100%;
}
a{
  color:#333;
  text-decoration: none;
}



em,i{
  font-style: normal;
}

b,strong,h1,h2,h3,h4,h5,h6{
  font-weight: normal
}

img{
  border: 0;
  display: block;
}

input{
  outline: none;
}

ul,ol,li{
  list-style: none
}

table{
  border-collapse: collapse;
  border-spacing: 0;
}

.clearfix::after{
  content: ".";
  display: block;
  font-size: 0;
  overflow: hidden;
  clear: both;
}